Preamble to the Constitution
I am currently doing an assignment about the preamble to the US Constitution. Question: What examples can you provide in the present that shows the US Government is still fulfilling this purpose today? Give two. I have completed 5 out of the 6th purposes. I am stuck on "...November 27, 2014

dynamics
a 2kg ball revolves in a horizontal circle as shown at a constant speed of 1.5m/s. Knowing that L=600mm, determine (a) the angle that the cord with the vertical (b) tension in the cord.November 20, 2013

math
A package is at rest on a conveyor belt, which is initially at rest. The belt is started and moves to the right for 1.3 s with a constant acceleration of 2 m/s^2 . the belt then moves with a constant deceleration a2 and comes to a stop after a total displacement of 2.2 m. ...November 20, 2013

Statistics
A statistics student hands each of 300 classmates 2 cookies side by side on a plate. Of the 300 students, 171 choose the cookie thats on their right hand side, and the remaining 129 choose the cookie thats on their left. The student says, Thats just ...August 1, 2013

Physics
A man is standing on a cliff and throws a ball outward 50m/s at an angle of 53 degrees. It hits the base of the cliff in 10 seconds. Find: a) The height of the cliff b) the angle at which the ball goes into the sea c) if the ball will hit a boat 150m out to sea.March 12, 2013

Physics
A ball is dropped from a height of 20m. When it bounces, it rebounds with a speed that is one half of the speed at which it hits the ground. How high does it bounce?March 12, 2013

5th grade math
bill is replacing the grass in his yard with cement .the yard is 300m long and 100m wide. if cement is 15cents per cm how much would it cost?March 12, 2013

physics
A hare and a tortoise compete in a race over a course 4.90 km long. The tortoise crawls straight and steadily at its maximum speed of 0.440 m/s toward the finish line. The hare runs at its maximum speed of 14.00 m/s toward the goal for 0.800 km and then stops to tease the ...September 9, 2012

science
when a 424-g of iron powder is burned in an oxygen atmosphere, 0.606-g of a reddish brown oxide is obtained. Determine the empirical formula of the oxide.July 23, 2012

Help please? Chemistry
At a certain temperature and pressure, 0.20 mol of carbon dioxide has a volume of 3.1 L. A 3.1-L sample of hydrogen at the same temperature and pressure ____. I think it's supposed to be "contains the same number of molecules" but I'm not sure. And there'...May 27, 2009

Introduction to Healthcare
Healthcare workers had a big part in determining quality care. They are there to oversee, treat, diagnosis, support and advice the care of patients. Unfortunately a lot of healthcare worker do not give quality care. To them, it is just a job with a monthly paycheck. Although ...July 20, 2008

Introduction to Healthcare
Measuring the quality of care is essential to being able to identify which areas of patient care need improvement. A positive patient outcome is one measure of quality. What role do health care workers play in determining quality care?July 20, 2008

algebra
If Olivia drove x km at 60 km/h and then twice as far at 80 km/h. In terms of x, how many hours did the trip take? Give the answer in simplest termsJanuary 24, 2008